反应详情

To a stirred solution of 2-[2-(2,4-difluoro-phenyl)-2H-[1,2,4]triazol-3-yl]-4,5-dihydro-6-oxa-1-thia-benzo[e]azulene-9-carboxylic acid (82 mg; 0.19 mmol) in DMF (5 ml) was added HATU (103 mg; 0.27 mmol), DIPEA (50 μl; 0.27 mmol) and (R)-(+)-3-(dimethylamino)pyrrolidine (50 μl; 0.38 mmol). The reaction mixture was stirred at room temperature for 4 h upon which time it was diluted with EtOAc (20 ml) and washed successively with satd. NaHCO3 (20 ml) and brine (2×20 ml). The organic layer was dried (Na2SO4), concentrated and purified by prep. LCMS to give 418 as an off-white solid (53 mg; 53%). δH (400 MHz, CDCl3) 1.80-1.95 (m, 1H), 2.03-2.15 (br m, 1H), 2.24 (br s, 3H), 2.35 (br s, 3H), 2.62-2.85 (br m, 1H), 3.16 (br s, 2H), 3.30-4.00 (m, 4H), 4.33 (br s, 2H), 6.92-7.20 (m, 4H), 7.40 (br s, 1H), 7.51-7.61 (m, 1H), 7.77 (s, 1H), 8.11 (s, 1H). [M+H]+: 522

1. washwashed successively with satd
2. dry with materialThe organic layer was dried (Na2SO4)
3. concentrationconcentrated
4. custompurified by prep